Girder Erection Crane  架梁起重机

a box girder with construction defects  缺陷箱梁

Box girder erection  箱梁架设; 架设箱梁

box girder with corrugated steel web  波形钢腹板箱梁

Box Girder with Corrugated Steel Webs  波形钢腹板箱梁

box girder with hollow abdomen  空腹式箱梁

box girder with trapezoidal section  梯形截面箱梁

box girder with variable cross section  变截面箱梁

box girder with varying depths  变高度箱梁

box girder with varying width  变宽箱梁

box-girder with bluff body  钝体钢箱梁

bridge girder crane  钢梁起重机

Bridge Girder Erection Equipment  架桥机; 磺胺类药物; 中途港

Bridge Girder Erection Machine  架桥机; 磺酰胺基; 造桥机

Bridge-girder Erection Machine  架桥机

cast-in-site box girder with large span  大跨度现浇箱梁

Composite Box Girder with Corrugated Steel Web  波形钢腹板组合箱梁

Composite Box Girder with Corrugated Steel Webs  波形钢腹板箱梁; 波形钢腹板组合箱梁; 波形钢腹板组合梁

Composite Box-girder with Corrugated Steel Webs  波形钢腹板组合箱梁